[Discuss] OT - Increased WiFi Speeds After DNS Change

Derek Atkins derek at ihtfp.com
Wed Jul 22 11:38:20 EDT 2020


Matthew Gillen <me at mattgillen.net> writes:

> Typically a speedtest would only do one (or a few) DNS lookup(s) at the
> beginning of the test.  So any change in latency for that part would be
> completely drowned out by the test of the test.
>
> Also, I wouldn't necessarily trust speeedtest anymore.  They are owned
> by comcast.  Fast.com uses netflix's same cloud infrastructure, so if
> you want to know what throttling your ISP might actually be putting in
> place, that is probably more reliable.

Even fast.com isn't reliable; ISPs recognize those types of tests and
can "optimize" for them.

> Thanks,
> Matt

-derek
-- 
       Derek Atkins                 617-623-3745
       derek at ihtfp.com             www.ihtfp.com
       Computer and Internet Security Consultant


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